Javier is building a model train. He has enough track for a train that is 2.5 meters long. Does Javier have enough track for a train with 15 cars?

Each car will be 16 centimeters long.

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 25, a standard deviation of 2.5, and margin of error of 5%